Ok, as a brief summary of what I can remember:

The short story consists of two men (well duh!) and the uke is unsure of whether they are really together as sex friends or lovers. He knew his partner from highschool but didn't go after him due to the fact that his target was always really close to another man. After a few years, the uke met up with the man he loved and was asked to become sex friends (or lovers, I've forgotten) and he agreed. At some point he received a ring from the man he loved, but when the man who was close to his partner during highschool showed up, the uke ran away from his partner after being told to not stay with him when his highschool mate was there. The uke heartbroken immediately changed his phone number, moved out and left the keys and ring in his partner's place to cut off all contacts. As an ex worker at the bar, the uke stopped by to find his boss and was told that his partner came to look for him…

And the rest I believe that the partner found him at the bar and told him that his friend was running away with a married women from her husband.

After that it's pretty much a happy ending, but I still can't remember the title of this manga…

Please tell me if you know the name of this. Thanks a lot in advance.

it is most likely Lover's Position.

"There is no remedy for love but to love more." -Henry David Thoreau

OMG, such a fast reply, thx a lot!!! 😀